Syntax of Path.Data

When we create drawing Paths in blend it gives us the Data in a special format with some letters which is not easily understandable at first look.
Here is a link which describes how the control letters M ,C, L etc are getting mapped.
http://msdn.microsoft.com/en-us/library/ms747393.aspx#paths

One more link to create paths simply using individual objects.
http://msdn.microsoft.com/en-us/library/ms745814.aspx